Home / 28,030.59-42,052.04-8,307.96

Finding the Fourth Proportional to 28,030.59, 42,052.04 and 8,307.96

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Solution

The fourth proportional to 28,030.59, 42,052.04 and 8,307.96 is: 12,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030.59 : 42,052.04 = 8,307.96 : x
  2. Step 2: Convert to fraction form
    28,030.59/42,052.04 = 8,307.96/x
  3. Step 3: Cross multiply
    28,030.59x = 42,052.04 × 8,307.96
  4. Step 4: Simplify right side
    28,030.59x = 349,366,666.24
  5. Step 5: Solve for x
    x = 349,366,666.24/28,030.59
  6. Step 6: Final answer
    x = 12,463.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.